package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {

    @Select("select * from user where openid=#{openid}")
    User getByOpenid(String openid);

    /**
     * 注册用户
     * @param user
     */
    void insert(User user);

    /*    *
     * 根据id查用户
     * @param userId
     * @return*/

    @Select("select * from user where id=#{userId}")
    User getById(Long userId);

    Integer countByMap(Map map);
}
